When two aircraft are at the same angle of bank, how does speed affect the rate of turn and turn radius?

When two aircraft are at the same angle of bank, the relationship between speed, rate of turn, and turn radius is well-established in aerodynamics. The correct answer indicates that the faster aircraft will experience a slower rate of turn and a larger turn radius.

This phenomenon is due to the physics of circular motion. When an aircraft banks, it generates lift which acts as a centripetal force, allowing it to follow a curved path. The rate of turn is influenced not only by the angle of bank but also by the aircraft's speed.

As speed increases, the aircraft requires a greater radius to maintain level flight while turning. This is because, for a given angle of bank, increased speed results in higher centrifugal forces acting outward, which necessitates a larger radius to offset those forces. Consequently, the higher speed leads to a slower rate of turn since the aircraft is traveling faster along a larger circle, thereby increasing the time taken to complete a turn.

In summary, with a constant bank angle, an increase in speed results in a slower rate of turn and a larger turn radius, making the first option the correct understanding of these aerodynamic principles.